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Vessels and Other Fixed Assets, Net (Details) $ in Thousands | 3 Months Ended | 4 Months Ended | 6 Months Ended | 7 Months Ended | 16 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Mar. 22, 2017 USD ($) | May 14, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jul. 24, 2017 USD ($) | May 15, 2018 USD ($) | Jun. 23, 2017 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Payments to acquire property plant and equipment |  |  | $ 115,896 | $ 116,679 |  |  |
Number of vessels owned |  |  | 74 |  |  |  |
ABN AMRO Bank $30,844 Facility |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Amount drawn down |  |  |  | 16,000 |  |  |
Face amount |  |  |  |  |  |  | $ 30,844
Number of vessels financed |  |  |  |  |  |  | 2
First-priority mortgage |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Number of vessels owned |  |  | 63 |  |  |  |
Amount of vessels pledged as collateral |  |  | $ 1,419,646 |  |  |  |
Cross collateral, Bareboat vessels |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Capital leased assets, Number of vessels |  |  | 11 |  |  |  |
Capital leased assets, gross amount |  |  | $ 476,374 |  |  |  |
Capital Lease Obligations |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Interest and finance costs |  |  | 8,905 | $ 5,805 |  |  |
Capital leased assets, gross amount |  |  | 504,956 |  |  |  |
Capital leased assets, Accumulated depreciation |  |  | $ 28,582 |  |  |  |
Star Virgo (ex-HN 1371) |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Delivery date |  |  | March 01, 2017 |  |  |  |
Star Ariadne (ex-HN 1360) |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Delivery date |  |  | March 28, 2017 |  |  |  |
Star Charis |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Delivery date |  |  | March 22, 2017 |  |  |  |
Payments to acquire property plant and equipment | $ 15,150 |  |  |  |  |  |
Star Suzanna |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Delivery date |  |  | May 15, 2017 |  |  |  |
Payments to acquire property plant and equipment |  |  |  |  |  | $ 15,150 |
Diva |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Delivery date |  |  | July 24, 2017 |  |  |  |
Payments to acquire property plant and equipment |  |  |  |  | $ 10,500 |  |
Star Eleonora |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Disposal date |  |  | Mar. 31, 2017 |  |  |  |
Star Eleni (ex HN 1342) |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Delivery date |  |  | January 03, 2018 |  |  |  |
Star Magnanimus (ex HN 1361) |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Delivery date |  |  | March 26, 2018 |  |  |  |
Star Leo (ex HN 1343) |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Description of Capital leases, Term of contract |  |  | ten-year bareboat charter |  |  |  |
Delivery date |  |  | May 14, 2018 |  |  |  |
Payments to acquire property plant and equipment |  | $ 35,708 |  |  |  |  |
Sale Leaseback Transaction, Date |  |  | May 02, 2018 |  |  |  |
Star Leo (ex HN 1343) | Financed by CSSC |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Capital lease obligation recognised |  |  | $ 30,000 |  |  |  |
Vessel purchase price obligation |  |  | $ 9,000 |  |  |  |
Idee Fixe, Roberta, Laura and Kaley | Capital Lease Obligations |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Capital leased assets, Number of vessels |  |  | 4 |  |  |  |
Star Marisa, Star Libra, Star Virgo, Star Ariadne, Star Eleni, Star Magnanimus and Star Leo | Capital Lease Obligations |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Capital leased assets, Number of vessels |  |  | 7 |  |  |  |

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